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Location of Monitoring Sites

State City Latitude Longitude Elevation
(m)
Instrument Dates in Service  Operator
MD Edgewater
38.88° N
76.55° W
60
SR18/SR19 1996- SERC
AZ Phoenix
33.90° N
112.13° W
610
SR18 1996- NIST
FL Miami
22.55° N
80.59° W
4
SR18 1997- NIST
CO Colorado
State, Ft.
Collins
40.8° N
104.8° W
1641
SR18 1998- USDA
CO Table Mtn.
40.12° N
105.23° W
1689
SR18 1998- USDA
NE Lincoln
41.15° N
96.93° W
353
SR18 2001- USDA
WI Madison
44.17° N
89.67° W
25
SR18 2001- FPL
MD Cambridge
38.68° N
76.11° W
5
SR18/SR19 2002- SERC/
HPEL
MD Edgewater
38.88° N
76.55° W
30
SR18 2002- SERC
PA Bloomingrove
42.22° N
75.59° W
300
SR19 2003- SERC
Formerly Active Locations 
MD Gaithersburg
39.16° N
77.17° W
156
SR18 1996 USDA/
NIST
NJ Ocean City 39.26° N
74.60° W
2
SR18 1996 NIST
UT Utah State
Logan
41.7° N
111.9° W
1368
SR18 1998-1999 USDA
IN Purdue,
W.Lafayette
40.4° N
87.0° W
216
SR18 1998-2003 USDA
MD Beltsville
39.0° N
76.95° W
64
SR18 1998-2000 USDA
MD Edgewater
38.88° N
76.55° W
24
SR-74/
ISR-77/SR8
1975-1999

SRBL/
SERC

VA Langley
37.1° N
76.4° W
5
ISR-77 1978-1981 SRBL
HI Mauna Loa
19.54° N
155.6° W
3397
SR8 1986-1996 SERC